.page {
  height: 100%;
  background: url(../bg.jpg) no-repeat;
  background-size: cover;
  overflow: hidden;
}
.page .sign-box {
  width: 400px;
  background: #fff;
  padding: 30px 50px 20px 30px;
  border-radius: 4px;
  box-shadow: 0 0 10px #022c44;
}
.page .sign-box .title {
  text-align: center;
  font-size: 20px;
  line-height: 30px;
  margin-top: 0;
  margin-bottom: 10px;
  color: #000;
}
.page .sign-box .w100p {
  width: 100%;
}
